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Captain Muppet
5,886 posts
134 months
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Whitean3 said: Greg_D said: wankel - RX7, RX8 wankel 2 rotor: RX7, RX8, NSU, Citroen wankel 3 rotor: Cosmo
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crofty1984
9,876 posts
73 months
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Ariel had a square four engine (And I belive a rare honda?) Designed by Edward Turner I believe, who is also responsible for the Triumph speed twin and subsequent Bonneville variants. As said, there are Radial engined planes but also Rotary, as in it looks like a radial, but the cylinders rotate round a fixed crankshaft. BMW should get a mention for the original K-engines. Straight 3 (and later 4) cylinder, mounted longitudinally in the bike, "on its side". There is a rotary engined mazda bus in a collection somewhere. Thrust SSC has two big jet engines Thrust 2 has one jet engine Bloodhound has a jet and rocket combination engine Some range extender engines are 2 parallel cylinders on their side. Some ships have up to 14-cylinder 2 stroke diesels http://en.wikipedia.org/wiki/W%C3%A4rtsil%C3%A4-Su...7,603,850 newton metres (5,608,310 lbf·ft) @ 102 rpm. Who said 2-strokes didn't have any torque!
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Regiment
1,536 posts
28 months
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thinfourth2 said:  And there is weirder engines then that out in the real world Lovely Deltic engine 
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underphil
160 posts
79 months
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Honda bike with oval cylinders !
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Mr2Mike
9,420 posts
124 months
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Alfanatic said: EDIT: I also don't know of any planes with a rotary, though I'm sure someone made one somewhere. If you're thinking of the old circular engines popular on biplanes, Focke Wulfs and American WW2 planes, they were radials. A lot of the very old aero engines were in fact "Rotaries" in the original meaning of the word. These were not wankel engines which people often refer to as rotary (but is NOT a true rotary), but rather a radial style engine where the crank was stationary and the cylinders and crankcase rotated around the crank.
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Mr2Mike
9,420 posts
124 months
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underphil said: Honda bike with oval cylinders ! Still only a common or garden V4 configuration though!
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Captain Muppet
5,886 posts
134 months
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According to some VWists the VR6 engine is neither a V6 or an inline engine but something entirely new (apart from the bits just like the Alfa V4) and better than both.
Although it's a V6, clearly.
[/obvioustroll]
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doogz
18,667 posts
56 months
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underphil said: Honda bike with oval cylinders ! The 8 valve per cylinder V4:  Mr2Mike said: Still only a common or garden V4 configuration though! How many V4 engines do you know of with 2 rods, 2 plugs, and 8 valves, per cylinder?
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emicen
5,687 posts
87 months
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Captain Muppet said: Whitean3 said: Greg_D said: wankel - RX7, RX8 wankel 2 rotor: RX7, RX8, NSU, Citroen wankel 3 rotor: Cosmo 1 rotor and 4 rotor as well.
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Captain Muppet
5,886 posts
134 months
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emicen said: Captain Muppet said: Whitean3 said: Greg_D said: wankel - RX7, RX8 wankel 2 rotor: RX7, RX8, NSU, Citroen wankel 3 rotor: Cosmo 1 rotor and 4 rotor as well. I've seen pictures of the 4 rotor engine, but I can't remember what it was in, and aerodrones use singles. Mazda 787 was a 4 rotor. :selfbelm:
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RWD cossie wil
1,840 posts
42 months
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underphil said: Honda bike with oval cylinders ! Good call, still technically a V4 but the oval pistons make it worthy of its own slot IMHO
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wst
1,062 posts
30 months
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W/Arrow 12 - Napier Lion. (3 banks of 4)
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Captain Muppet
5,886 posts
134 months
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doogz said: underphil said: Honda bike with oval cylinders ! The 8 valve per cylinder V4: Mr2Mike said: Still only a common or garden V4 configuration though! How many V4 engines do you know of with 2 rods, 2 plugs, and 8 valves, per cylinder? It's a V4, according to Honda and the FIM. This is what Honda does when someone says they can't have a V8. They go mental and create something insane.
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alangla
540 posts
50 months
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doogz
18,667 posts
56 months
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Captain Muppet said: It's a V4, according to Honda and the FIM.
This is what Honda does when someone says they can't have a V8. They go mental and create something insane. Absolutely, but I wouldn't call it "common"
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monthefish
15,709 posts
100 months
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PanzerCommander said: And if were doing aircraft too (don't call them planes - thats something you smooth wood with) 
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kambites
32,838 posts
90 months
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doogz
18,667 posts
56 months
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kambites said: Straight-8: Bugatti 59 ? Didn't Ford use I8's back in the day as well? Circa 1930?
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kambites
32,838 posts
90 months
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doogz said: kambites said: Straight-8: Bugatti 59 ? Didn't Ford use I8's back in the day as well? Circa 1930? Quite possibly. I just remembered there being a Bugatti one so I looked up the model number.
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Bisonhead
759 posts
58 months
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Axial flow compressor with re-heat! 
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